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What does “not run” mean in R help pages?

... It's not just time-consuming code that typically is put inside of a \dontrun{}. Code that requires user input needs to be be inside dontrun as well or else it won't pass R CMD check – Dason Oct 11 '12 at 23:03 ...
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Float vs Decimal in ActiveRecord

...r that is how the IEEE specification defines floats in binary format. Basically, it stores sign, fraction and exponent to represent a Float. It's like a scientific notation for binary (something like +1.43*10^2). Because of that, it is impossible to store fractions and decimals in Float exactly. Th...
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regex.test V.S. string.match to know if a string matches a regular expression

...sion Use .test if you want a faster boolean check. Use .match to retrieve all matches when using the g global flag. share | improve this answer | follow | ...
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How do I browse an old revision of a Subversion repository through the web view?

... Be careful with that: this is not officially supported and can change anytime with a new release. Even though it has been the same since the very beginnings of svn... – Stefan Mar 16 '09 at 18:01 ...
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Using Mockito's generic “any()” method

...e able to compile lambda expressions, but it improves type inferences generally. Primitive types This doesn't work with primitive types, unfortunately: public interface IBar { void doPrimitiveStuff(int i); } verify(bar).doPrimitiveStuff(any()); // Compiles but throws NullPointerException v...
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How do you plot bar charts in gnuplot?

...plications it's more convenient to use the histogram plotting style, especially for grouping and stacking values. – Christoph Feb 1 '15 at 14:18 ...
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When to use references vs. pointers

...going in undefined-behaviour-land; the reference attribute version doesn't allow (without easy to spot tricks) the problem with 1. the reference attribute version is simpler to understand for the user: you have to provide a valid object, not something that could be null. If the behaviour of the fun...
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What's the advantage of Logic-less template (such as mustache)?

...it's possible to use Mustache with or without logic, it's up to you. After all, it's just a tool. – Tom Ashworth Oct 29 '12 at 13:08 5 ...
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Multiple commands in gdb separated by some sort of delimiter ';'?

...rinted a backtrace, but it doesn't. You can accomplish the same thing by calling into the Python interpreter. python import gdb ; print(gdb.execute("s")) ; print(gdb.execute("bt")) It's possible to wrap this up into a dedicated command, here called "cmds", backed by a python definition. Here's a...
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My pull request has been merged, what to do next?

...tories you contribute to'. It is easier to: delete your fix branch (actually, it is now deleted for you) on your fork (and in your local cloned repo: see "Delete a Git branch both locally and remotely") git pull upstream master (if master was the branch in which your fix has been integrated: the ...